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https://oldwiki.cpcwiki.eu/index.php?action=history&feed=atom&title=BIOS_Text_Functions 2026-08-28T18:46:42Z Revision history for this page on the wiki MediaWiki 1.25.1 https://oldwiki.cpcwiki.eu/index.php?title=BIOS_Text_Functions&diff=65527&oldid=prev 2010-12-19T16:41:41Z

<p></p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr style='vertical-align: top;'> <td colspan='2' style="background-color: white; color:black; text-align: center;">← Older revision</td> <td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 16:41, 19 December 2010</td> </tr><tr><td colspan="2" class="diff-lineno" id="L54" >Line 54:</td> <td colspan="2" class="diff-lineno">Line 54:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>&#160;&#160; BDD6 HOOK_TXT_UNWRITE&#160; &#160; &#160; &#160; ;in: H=x, L=y, out: A=char, Z=space, cy=1=okay</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>&#160;&#160; BDD6 HOOK_TXT_UNWRITE&#160; &#160; &#160; &#160; ;in: H=x, L=y, out: A=char, Z=space, cy=1=okay</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>&#160;&#160; BDD9 HOOK_TXT_OUT_ACTION&#160; &#160; ;in: A=char</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>&#160;&#160; BDD9 HOOK_TXT_OUT_ACTION&#160; &#160; ;in: A=char</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Category:BIOS]]</ins></div></td></tr> <!-- diff cache key wikidb:diff:version:1.11a:oldid:39559:newid:65527 --> </table>

MacDeath https://oldwiki.cpcwiki.eu/index.php?title=BIOS_Text_Functions&diff=39559&oldid=prev 2010-01-24T21:57:56Z

<p>Created page with &#039;== Text Character Output (and read-back from VRAM) == BB5A TXT_OUTPUT in: A=char ;display 20h..FFh, or handle 00h..1Fh BB5D TXT_WR_CHAR in: A=char ;display 00h..…&#039;</p> <p><b>New page</b></p><div>== Text Character Output (and read-back from VRAM) ==<br /> BB5A TXT_OUTPUT in: A=char ;display 20h..FFh, or handle 00h..1Fh<br /> BB5D TXT_WR_CHAR in: A=char ;display 00h..FFh<br /> BB60 TXT_RD_CHAR out: A=char, Z=space, cy=1=okay<br /> <br /> == Text Cursor Position ==<br /> BB6F TXT_SET_COLUMN in: A=x<br /> BB72 TXT_SET_ROW in: A=y<br /> BB75 TXT_SET_CURSOR in: H=x, L=y<br /> BB78 TXT_GET_CURSOR out: H=x, L=y<br /> BB87 TXT_VALIDATE io: H=x, L=y, out: cy: 1=position ok, 0=scroll<br /> BB63 TXT_SET_GRAPHIC in: A=0=normal text position, A&gt;0=graphics position<br /> <br /> == Text Cursor... ==<br /> BB7B TXT_CUR_ENABLE<br /> BB7E TXT_CUR_DISABLE<br /> BB81 TXT_CUR_ON<br /> BB84 TXT_CUR_OFF<br /> BB8A TXT_PLACE_CURSOR<br /> BB8D TXT_REMOVE_CURSOR<br /> <br /> == Text Colors ==<br /> BB90 TXT_SET_PEN in: A=foreground color 0..15<br /> BB93 TXT_GET_PEN out: A=foreground color 0..15<br /> BB96 TXT_SET_PAPER in: A=background color 0..15<br /> BB99 TXT_GET_PAPER out: A=background color 0..15<br /> BB9C TXT_INVERSE exchange foreground and background colors<br /> BB9F TXT_SET_BACK in: A=0=normal, A=1=transparent/OR<br /> BBA2 TXT_GET_BACK out: Z=normal, NZ=transparent/OR<br /> <br /> == Text Character Set ==<br /> BBA5 TXT_GET_MATRIX in: A=char, out: HL=char bitmap ptr, cy:0=ROM,1=RAM<br /> BBA8 TXT_SET_MATRIX in: A=char, HL=ptr to 8x8 char bitmap<br /> BBAB TXT_SET_M_TABLE in: D=00h=RAM, E=1st char, HL=RAM chars, out: cy,A,HL<br /> BBAE TXT_GET_M_TABLE out: cy=1=RAM, A=1st char, HL=RAM chars<br /> <br /> == Text Windows (aka Streams) ==<br /> BB66 TXT_SET_WINDOW in: H=x1, L=y1, D=x2, E=y2 (x=0..79, y=0..24)<br /> BB69 TXT_GET_WINDOW out: H=x1, L=y1, D=x2, E=y2, cy=0=hardware scrolling<br /> BB6C TXT_CLEAR_WINDOW fill window by PAPER color<br /> BBB4 TXT_STR_SELECT in: A=new window number, out: A=old (# 0..7)<br /> BBB7 TXT_SWAP_STREAMS in: B,C=window numbers to be exchanged<br /> <br /> == Text Init/Specials ==<br /> BB4E TXT_INITIALIZE<br /> BB51 TXT_RESET<br /> BB54 TXT_VDU_DISABLE<br /> BB57 TXT_VDU_ENABLE<br /> BBB1 TXT_GET_CONTROLS out: HL=ptr to table of control characters<br /> BD40 TXT_ASK_STATE_664 ;out: A(b0=CUR_EN,b1=CUR_ON,b7=VDU) (664 and up only)<br /> BDCD HOOK_TXT_DRAW_CURSOR<br /> BDD0 HOOK_TXT_UNDRAW_CURSOR<br /> BDD3 HOOK_TXT_WRITE_CHAR ;in: H=x, L=y, A=char<br /> BDD6 HOOK_TXT_UNWRITE ;in: H=x, L=y, out: A=char, Z=space, cy=1=okay<br /> BDD9 HOOK_TXT_OUT_ACTION ;in: A=char</div>

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